Cushioned hanging device for garbage grinders



2,925,225 CUSHIONED HANGING DEVICE FOR GARBAGE GRINDERS Filed Feb. 20, 1955 H. JORDAN 2 Sheets-Sheet 1 Feb. 16, 1960 m :Nmo n W WI Mi I.

M J F.

H. JORDAN Feb. 16, 1960 CUSHIONED HANGING DEVICE FOR GARBAGE GRINDERS 2 Sheets-Sheet 2 Filed Feb. 20, 1953 United States Patent O CUSHIONED HANGING DEVICE FOR GARBAGE GRINDERS Application February 20, 1953, Serial No. 337,932 3 Claims. (Cl. 241-1005) In general this invention relates to apparatus for use in households, restaurants, and the like to dispose of garbage and kindred waste materials which are ground and discharged to the sewer system. Specifically the invention relates to means for suspending such grinding apparatus from a kitchen sink or similar water discharging system.

A particular object of the invention is to provide novel means for mounting a garbage grinder at the discharge opening of a sink or the like in a cushioned manner so that vibrations from the usual grinding unit are absorbed and their transmission to the plumbing system thereby prevented.

Since the indicated cushioning means includes rubber or similar resilient shock-absorbing rings and. the like which must be compressed to provide properly sealed joints, the invention also has as an object the provision of means to restrict such compression to something less than the limit of compression of the resilient material engaged.

It is another object of the invention to provide a novel structure of attaching means which will greatly facilitate the installation of the waste disposal device at the outlet of the mentioned sink or similar water discharging vessel.

This application is a continuation-impart of my earlier applications Serial No. 190,927, filed October 19, 1950 and now abandoned; Serial No. 248,002, filed September 24, 1951, now Patent No. 2,730,308; Serial No. 268,560, filed January 28, 1952 and now abandoned; and Serial No. 316,369, filed October 23, 1952 and now abandoned.

The principal features of the invention and other objects thereof will become apparent to those skilled in this art upon reference to the accompanying drawings wherein various embodiments are illustrated.

In the drawings:

Fig. 1 is a vertical section through cushioned means connecting the upper end of a grinder housing neck with a supporting ring or connecting ring threadedly mounted on the lower end of a conventional drainage sleeve disposed in the drainage opening of a kitchen sink, this figure being indicated by the section line 1-1 of Fig. 2;

Fig. 2 is principally a cross-sectional view taken from the line 22 of Fig. 1, and illustrates the lower metallic supporting ring as a full ring;

Fig. 3 is a vertical sectional detail on an enlarged scale showing a structural feature at the left of Fig. l as indicated by the line 3-3 of Fig. 2;

Fig. 3A is an. elevational detail of thes'tructure of Fig. 3;

Fig. 4 is a sectional detail in exploded relation of portions shown at the right of Fig. 1 and is takenapproxh mately on the line 4-4 of Fig. 2;

Fig. 4A is a reduced fragmentary plan of the ring shown in Fig. 4;

Fig. 5 shows a modified form of metal suspension ring to' be carried upon the supporting. bolts indicated in Figs. 1 and 2;

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Fig. 6 is a vertical sectional detail, similar to that shown at the right of Fig. 1, and disclosing a modified form of structure wherein flanged segments are used instead of the flanged supporting ring of Fig. 1;

Fig. 7 is a fragmentary elevation taken from the line 7-7 of Fig. 6;

Fig. 8 shows a modified form of mounting which embodies a tensioned resilient ring freely suspending the grinder structure; and

Figs. 9 and 10 are sectional details showing modified forms of the resilient suspension ring of Fig. 8.

Referring to Fig. 1, there is shown the bottom 30 of a kitchen sink and a conventional outlet sleeve 32 disposed within the discharge opening of the sink, this sleeve having an outwardly extending mounting flange 33 which is borne upon an annular seat portion 34 around such sink opening. The sleeve 32 is externally threaded at 35 to receive an internally threaded metallic mounting ring or connecting ring 36 which constitutes upper peripheral means and is provided with a plurality of radially extending attachment cars 3612 which, in practice, are three in number. Positioned at the under side of the seat portion 34 of the sink bottom is a metallic stressing washer 37 which cooperates with a resilient cushioning washer 38 between the flange 33 and the seat portion 34, and with the connecting ring 36, through the medium of headed screws or bolts 40 in the respective ears 36b to bind the sleeve 32 in operative position as shown. The bolts 40 are threaded into the ears 36b, as indicated at 41 so that, when the connecting ring 36 is turned up on the threads 35 to such a position as illustrated, the headed bolts 40 may be backed out from their seating threads 41 to bear against the washer 37 and produce the required tensioning or stressing action; or separate screws 40a may be used for tensioning.

The bolts 40 serve also to connect the neck 44 of a typical grinder housing 45 with the connecting ring 36. This connection is effected through the medium of stifi lower peripheral means in the form of a flanged metallic carrying or supporting ring 46, an outer cylindrical rubher cushioning and supporting ring 47 and an intervening, preferably rubber, cushioning ring 48 in the form of a gasket disposed between the upper end of the housing neck 45 and the body of the metallic connecting ring 36. The outer cushioning ring 47, as seen at the left of Fig. 1, is largely retained within the upstanding flange 46a of the flanged supporting ring 46, only a relatively short upper portion of the cushioning ring 47 extending above the end of such flange 46a. The upper face of the cushioning ring 47 bears against the under, annular, face of a radially projecting flange-like retaining, bearing ring 50, preferably metal, having a series of inwardly extending uniformly spaced locking lugs 51 which are adapted to be rotated in a radially and outwardly directed annular groove 52 formed near the upper end of the neck 44 to provide, in effect, an overhanging flange which is in the form of a plurality of uniformly spaced overhanging flange segments 54 ispaced by notch-like openings 55, so that the flange segments 54 and the open lugs 55 alternate. The retaining ring 50 is installed by passing the locking lugs 51 downward through the openings 55 and rotating the ring 50 until the locking lugs 51 underlie the flanged segments 54 by which they are retained against upward movement. To lock the ring 59 against rotation, a pin 56 (Figs. 2 and 4) is set in a bore 56a in the upper end of the housing neck 44 and in a corresponding notch 57 (Fig. 4A) in one of the lugs 51. Or, preferably, the'lock ring 50 is held against rotation by a depending lug or finger 48a (Figs. 3 and 3A) in: tegra-l with the rubber ring 48 and passing through one of the openings 55 behind the metal ring 50 and between adjacent locking'lugs 51 thereof and into a downward extension 55a of the respective opening 55. In order to retain the flanged supporting ring 46 in substantially the elevated position shown in Figs. 1 and 3 duringinstallation, an annular shoulder means 58 or other suitable detent means on the neck 44 is provided immediately below its normal position. If'desirable to obtain proper bearing between the upper face of the upstanding cylindrical cushioning ring 47 and the under face of the retaining ring 50, an angled bearing ring 59 may be posi tioned upon the corresponding upper, inner corner position of the cushioning ring 47 as shown only at the right of Fig. 1. e 7

Thus, in installing the described supportingand cushioning means the flanged ring 46 is settled into position on the shoulderrneans 58, and the cyli'ndrical cushioning ring 47 is settled down into position within the flange 46a and within the positions of the bolts 40 as seen in Figs. 1 and 2. The retaining ring 50 is then positioned bypas sage of the locking lugs 51' downward through the openings 55 and rotation of the ring 50 to bring thelugs 51 under the flange segments 54, the pin 56 if used being thereupon installed to prevent circumferential displacement of the lugs 51. The gasket-like cushioning ring 48 is then positioned over the top of the housing neck 44 and its finger 48a inserted into the mentioned opening and extension 55a. To assure good placement of the ring 48,- it is provided with an overhanging lip 60 (*Fig. 3) whose depth approximates the vertical thickness of the flange segments 54, the ring 48 also being provided at its inner edge with a relatively deep depending wall portion 62 that hugs the inner wall of the housing neck 44. Preferably' the wall 62 continues inward as a downwardly sloping anti-splash diaphragm 63 which preferably pro vides a central opening64 approximatingone tenth to one eighth of the gross-sectional area of the throat through the sleeve 32 and the housing neck 44. In order to provide for passage of material to be ground which is larger than the opening 64, the diaphragm is formed with a plurality of slits 65 which provide corresponding flexible fingers which yield but resume the position illustrated. It is also desirable to provide the upper face of the gasket-like ring 48 with an annular bead 66 which seats in a corresponding annular groove in the under face of the connecting ring 36. H

In order to provide for the attachment of the flangedsupporting ring 46 on the connecting ring 36 through the medium of the bolts 40, the ring 46 is provided with a plurality of radially extending ears 70 corresponding in number with the bolts 40 and the ears. 36b. The upstanding flange 46a follows around two of theearjs .70, but in order to facilitate installation, such' flange 46a is interrupted at the third ear'by a gap 72 shown in the car 70 at theright of Figs. 1 and '2, By reason of this gap 72 in the upstanding flange 46a. and in the bottom wall of the ring 46, the width of which gap is about the same as the diameter of the respective bolt 40, installation of the grinding unit with the parts 46, 47, 48 and 50 installed thereon may be readily effected by loosening a nut 73 on the lower end of the respective bolt 40 so that the gap 72 may receive such bolt 40 upon short lateral movement of the whole unit while the unit is slightly tipped. With the ear 70' containing the gap 72 resting on the nut 73, the opposite side of the unit may be easily raised into horizontal position, whereupon the other bolts 40 pass into place in corresponding holes in the other cars 79, the corresponding nuts being readily applied and turned up into'. retention position. Tightening of the nuts on the bolts 40 is. thenieasily effected to. the extent rei to .ifegt the d i'ril .g n s isn q h'et psta ing cylindrical cushioningring :47 and thev washer-like QI S QQ lf pi v q e o n t i i h i e in est ani i it compression ofthe rubbenelements 47 and. 48, each of.

amn s a we e a the ears 36!; on the connecting ring 3 6 is provided with 21 depending stop finger 74 of adequate extent to strike the corresponding upstanding portion of the flange 46a when the maximum compression desired is attained.

When adequate to meet requirements, the flanged ring 46 may be replaced by a ring 76 shown in Fig. 5 whose ears 77 are slotted in a circumferential direction as indicated at 78, so that, when the unit being'installed is raised up into installing position, the nuts on the lower ends of the bolts 40 being loosened, the whole unit may be turned upon such bolts 40 into the position illustrated, whereupon such nuts may be tightened as required. This ring 76 may be provided with an upstanding flange 76a like the flange 4611, if desired, and may cooperate with the compression-limiting stop fingers 74 on the ears 36b of the connecting ring 36.

Fig. 1 illustrates the use of a suitable stopper 80 upon a conventional annular stopper-supporting seat 82. This particularstoppercomprises an upper plate member 83 carrying a suitable rubber washer 84 to engage the seat 82, and an inner stopper member 85 raisable by a stopper stem 86 from its seat 87 in the plate member 83. The lower portion of the stem 86 slides through a boss 88 at the center of a spider of the plate member 83 underlying the inner stopper member 85, whereby to elevate the inner member 85 with respect to the plate member 83. In order to lift the plate member 83 also from its seat 82, a stop element 89 on the bottom of the stem 86 is provided to engage the boss 88 and prevent further relative movement of the stem 86.

In Figs. 6 and 7 there is shown a modifiedforrri of the structure of. Fig. 1, a principal ditference' here being found in the fact that instead of employing the continuous, flanged ring46 of Figs. 1 and 2, a plurality of flanged segments 90 is used, there being one such seg ment at the position of each headed bolt 40. ,Each segment 90 is provided with an upstanding flange 9051 which cooperates with the respective downwardly directed stop finger 74 on the corresponding connecting ring ear 36b of the connecting ring 36. In this particular instance the gasket type cushioning ring 48 has its peripheral depending flange 60 disposed in a counter-sunk groove 92 formed in the top of the housing neck 44. Also, in the form of Figs. 6 and 7, the upstanding cylindrical ring 47 bears against an integral peripheral flange 94 of the housing neck 44, which flange replaces the bearing ring 50 of the form of Figs. 1 and 2. In installation, the cylindrical cushioning ring 47 is' easily sprung over the flange 94 into position to bear against the under side thereof. With two of the flanged segments 90'loosely positioned on the respective bolts 40, it is a simple matter to move the grinder unit up into position and, with a slight lateral movement, cause the corresponding portions of the cushioning ring 47 to rest upon the inner horizontal portions of the two flanged segments" 90,

whereupon the other side of the grinding unit is raised into position and the third segment 90is installedso as to engage under the adjacent portion of the cushioning ring 47. Tightening ofthe nuts 73 is then'effected, excessive compression of the cushioning ring 47 and the intervening gasket-type ring 48 being prevented through the medium of engagement'of the topmost portion-of" each flange 90a withthe lowermost portion of the respective. depending stop finger 74. V

Fig. 8 discloses another form of mountingin connection with which the flanged segments 90 of Figs. 61 and 7, or, if desired, the flanged ring of Figs. 1 and 2 may be used.'.. In this case, the cushioning ring 48 is replaced by aresilient suspension ring 95 whoseupp er end is con-- nected to the connecting ring 36 by means pf the seg ments-90,'.flanged ring 46," and whose lower end is'secured to the housing neck 44 as by means of headed screws.96-and-aflanged binding-.ring -97. In thi's form the suspefisiongring 95 isprpvided with an upper integral rubber flange 98, and with a lower integral rubber flange 2 99, the screws 96 passing through corresponding holes in the rubber flange 99. In this form, the suspension ring 95 acts as a resilient extension of the housing neck 44, and its flange 98 serves the same general function as the flange 94 of the neck 44. To provide a sufficient- 1y firm seat between the upper rubber flange 98 and the inner portions of the supporting segments 90, or flanged ring 46, a crimped metal ring 100, which is substantially Z-shaped in cross section is employed. This crimped ring 100 provides an upwardly directed ridge 101 which enters a corresponding groove, or forms by compression a corresponding groove at the juncture between the flange 98 and the outer wall of the suspension ring 95. Also, the crimped ring 100 provides a downwardly directed flat seat 102 to bear upon the horizontal portion of the respective segment 90 or ring 46. An upstanding outer wall 103 of the crimped ring 100 serves to engage and properly confine the main lower portion of the rubber flange 98. The spacing between the upper end of the wall 103 and the connecting ring 36, and between the upper end of each flange 90a and the corresponding depending stop finger 74 is such as to limit properly the amount of compression exerted upon the flange 98 by tightening the respective nuts 73. Similarly, compression of the rubber flange 99 by tightening of the screws 96 is limited by a shoulder 104 adapted to be engaged by the lower edge of the flanged binding ring 97 at the limit of the desired compression. Fig. 9 shows a modified form of means for anchoring the rubber flange 99 on the lower end of the rubber suspension ring 95. Here the housing neck 44 is provided with an external flange 105, the headed screws 96 are replaced by bolts 106 having nuts 107 and appropriate washers 108, and the flanged binding ring 97 is replaced by a flanged binding ring 109 having an inner, annular, angular, downwardly directed gripping bead 110 which fits into, or forms by compression, a corresponding downwardly directed groove in the rubber flange 99, whereby to insure positive binding of such flange. Appropriate spacing between the lower edge of the flanged ring 109 and the upper, outer edge of the flange 105 of the housing neck 44, as indicated at 112, guards against excessive compression of the rubber flange 99. To further avoid transmission of vibrations from the grinding mechanism within the suspended grinding device to the suspending sink bottom 30, the rubber flange 99 may be molded with integral sleeves 114 which depend around the respective bolts 106 and occupy correspondingly enlarged openings in the housing flange 105.

In Fig. a still further modification of means for attaching the lower end of the rubber suspension ring 95 is shown. Here a crimped metallic ring 115 is folded around an annular flange 116 on the upper end of the housing neck 44, the upper end of the ring 115 being embedded in and vulcanized in the rubber at the base of the suspension ring 95.

It will be appreciated that attachment of the lower ends of the rubber suspension rings 95 of Figs. 8, 9 and 10 may be facilitated by vulcanization to the respective upper ends of the houisng necks 44, and the same may be done at the upper ends of the rings 95 to facilitate attachment to the connecting rings 36. Also, in all of the forms of suspension ring 95 of Figs. 8, 9 and 10, the slit, integral diaphragm 63 and small central opening 64 of the form of Figs. 1 and 2 are used.

I claim as my invention:

1. In combination in means for suspending a waste disposal device from a sink at an outlet opening thereof: a drainage sleeve to be carried by said sink at said outlet opening; mounting ring means carried by said sleeve on its outer wall and adjacent the lower end thereof; a neck member at the top of a disposal device to be suspended; flange-like ring means on the outer wall of said neck member; carrying ring means around said neck member and disposed below said flange-like ring means; plural connecting means binding said carrying ring means to said mounting ring means with said flange-like ring means between them, said connecting means being elongated and supported by said mounting ring means, said carrying ring means having a laterally opening slot whose side edges pass along opposite sides of one of such elongated connecting means, said carrying ring means being provided with hole means spaced around the ring from said slot and receiving other elongated means; retaining means on the lower ends of such elongated means and bearing on the under side of said carrying ring means; and resilient means disposed between said mounting ring means and said carrying ring means and normally spacing such ring means, said mounting ring means and said carrying ring means being provided with flange members adjacent said slot and hole means, said flange members extending axially toward each other and cooperating to control spacing between said rings, said flanges limiting compression of said resilient means by said plural connecting means.

2. In combination in suspension means for a waste disposal device to be suspended from a kitchen sink or the like having a supporting sleeve and disposed in a waste outlet opening thereof: rigid supporting upper ring means carried by a lower portion of said sleeve; a housing providing an upstanding waste-receiving neck at its upper end; lower ring means carried by said neck below said upper ring means; plural screw means connecting said upper and lower ring means together at peripherally spaced points, said lower ring means providing a radially extending slot to pass along the sides of the respective screw means, and said lower ring means having spaced holes to receive spaced screw means when the portion of said lower ring means containing said spaced holes is moved upward; retaining means on the low-er ends on all of the said screw means to retain said lower ring means on said screw means; compressible resilient means between said upper and lower ring means and engaging said neck to support said housing; and upstanding flange means on said lower ring means around such ring means and adjacent said slot and holes and stiffening said lower ring means, said flange means extending in a direction parallel to the axis of said ring means and neck and toward said upper ring means.

3. A combination as in claim 2 wherein. said resilient means between said ring means is within the confines of said flange means for compression by said screw means between said ring means, said upstanding flange means underlying coacting pants on the lower side of said upper ring means and engageable therewith tolimit compression of said resilient means, said upper and lower ring means each being peripherally continuous.

References Cited in the file of this patent UNITED STATES PATENTS 710,004 Osgood Sept. 30, 1902 781,774 Herrick Feb. 7, 1905 1,020,929 Row Mar. 19, 1912 1,443,449 Wise et a1. Jan. 30, 1923 1,520,028 Krause Dec. 23, 1924 2,035,978 Parker Mar. 31, 1936 2,165,163 Waters July 4, 1939 2,166,786 Alexay July 18, 1939 2,220,729 Powers Nov. 5, 1940 2,442,812 Jordan June 8, 1948 2,477,686 Coss Aug. 2, 1949 2,518,176 Powers Aug. 8, 1950 2,536,928 Hammell Jan. 2, 1951 2,573,213 Miller Oct. 30, 1951 FOREIGN PATENTS 28,249 Great Britain Dec. 28, 1908 450,187 Great Britain July 13, 1936 584,100 France Nov. 13, 1924 

